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How to pronounce "biohazards" in English

biohazards is pronounced ˈbaɪ.oʊˌhæz.ərdz, with primary stress on the “BY” syllable. Hear authentic native speakers pronounce it in 7 clips with synchronized subtitles and timestamps below.

ˈbaɪ.oʊˌhæz.ərdz

BY·oh·haz·ərdz

Primary stress: BY

Accent:
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IPAˈbaɪ.oʊˌhæz.ərdz
SayBY-oh-haz-ərdz
SyllablesBY · oh · haz · ərdz
Hear it in contextUS
2:13
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Linguistic Pronunciation Masterclass: “biohazards”

Phonetic mechanics, syllable architecture, and conversational cadence

ˈbaɪ.oʊˌhæz.ərdz

Syllable Architecture & Stress Distribution

Syl. 1Primary Stress

BY

Gliding diphthong with sustained vocal resonance.

Syl. 2Unstressed

oh

Neutral schwa (⁄ə⁄): relaxed jaw, brief unstressed breath.

Syl. 3Unstressed

haz

Neutral schwa (⁄ə⁄): relaxed jaw, brief unstressed breath.

Syl. 4Unstressed

ərdz

Neutral schwa (⁄ə⁄): relaxed jaw, brief unstressed breath.

Primary emphasis falls on the first syllable ("BY"). Raise your pitch and sustain the vowel length on this syllable while relaxing the surrounding syllables.

Common Pronunciation Traps & Learner Mistakes

⚠️ Unstressed Syllable Vowel Reduction (Schwa ⁄ə⁄)

The Trap: Avoid pronouncing every vowel with full acoustic weight. Non-native speakers often over-enunciate unstressed vowels.

How Native Speakers Say It: Only give full vowel clarity to the primary stressed syllable. Relax all unstressed vowels into a neutral, low-energy schwa (⁄ə⁄).

Connected Speech & Natural Conversational Flow

🔗 Consonant-Vowel Linking (Liaison)

When "biohazards" is followed by a word starting with a vowel, glide the final consonant into the opening vowel (e.g. "biohazards is" sounds like "biohazards-iz").

⏱️ Stress-Timed Rhythm

Maintain the stress-timed rhythm of English: compress unstressed syllables rapidly so the beat of "biohazards" aligns naturally with adjacent words.

Authentic Spoken Quotes from Native Video Context

Verified Transcripts
“against known and proven industrial biohazards We must also create new economical base to salvage the dangerous industrial products”
— TEDx TalksWatch clip
“And then we can do another example, So I call these biohazards, basically just common mistakes.”
— Harvard UniversityWatch clip
“He writes a letter about the "potential biohazards" of what he's just discovered.”
— Native SpeakerWatch clip
“We're awfully careful in the lab to try and avoid various biohazards.”
— Native SpeakerWatch clip
“it's obviously a completely different ball game for a child to pass through such a jungle with the biohazards that you can find but also other threats such”
— Native SpeakerWatch clip
“to eat but nevertheless this is a tremendous achievement 40 days in the rainforest a tremendous hazards biohazards such as diseases also”
— Native SpeakerWatch clip
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IPA:ˈbaɪ.oʊˌhæz.ərdz
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against known and proven industrial biohazards We must also create new economical base to salvage the dangerous industrial products

Hear it in context: “biohazards”

7 clips

The English word “biohazards” is transcribed in the International Phonetic Alphabet (IPA) as ˈbaɪ.oʊˌhæz.ərdz (phonetic respelling: BY-oh-haz-ərdz). Phonologically, it consists of 4 syllables (BY · oh · haz · ərdz), with primary lexical stress placed on the 1st (initial) syllable (BY). Grammatically, “biohazards” functions as a noun. SayItVid indexes 7 authentic English video clips demonstrating how native speakers articulate “biohazards” in natural connected speech across American (US: 7 sampled), British (UK), and Australian (AUS) accents, including verified broadcasts from TEDx Talks, Harvard University.

Spoken Video Transcripts & Contextual Quotes (5 Verified Clips)

  • 🇺🇸 USTEDx Talks
    Clip #1 · @2:13
    “which pertain to certain areas, we can also ensure safety against known and proven industrial biohazards We must also create new economical base to salvage the dangerous industrial products We must also create new economical base”
  • 🇺🇸 USHarvard University
    Clip #2 · @32:13
    “with conditional probability. And then we can do another example, So I call these biohazards, basically just common mistakes. I call these biohazards, basically just common mistakes.”
  • 🇺🇸 US
    Clip #3 · @2:15
    “The result is recombinant DNA. He writes a letter about the "potential biohazards" of what he's just discovered. "potential biohazards" of what he's just discovered.”
  • 🇺🇸 US
    Clip #4 · @4:29
    “In fact, we have such amazing lifeforms that we can manipulate. We're awfully careful in the lab to try and avoid various biohazards. to try and avoid various biohazards.”
  • 🇺🇸 US
    Clip #5 · @4:41
    “is a child going through this journey many of them by the way also go solo and it's obviously a completely different ball game for a child to pass through such a jungle with the biohazards that you can find but also other threats such such a jungle with the biohazards that you can find but also other threats such”

Definition & Meaning: “biohazards”

NOUN
  • Biological agents or conditions that pose a threat to the health of living organisms, primarily humans.

Example Sentences (3)

  • “The laboratory handles various biohazards under strict containment protocols.”
  • “against known and proven industrial biohazards We must also create new economical base to salvage the dangerous industrial products”
  • “And then we can do another example, So I call these biohazards, basically just common mistakes.”

Common Phrases & Collocations

potential biohazardsvarious biohazardsindustrial biohazardshazards biohazards

Pronounce: “biohazards”

Pronunciation:
BY-oh-haz-ərdz
Syllables:
BY · oh · haz · ərdz
Written Hyphenation:
bi · o · haz · ards
Primary stress:
BY
IPA:
ˈbaɪ.oʊˌhæz.ərdz
Hear it in context
biohazards

Words that Rhyme with “biohazards”

-aɪoʊˌhæzərdz
View all 31 rhymes for “biohazards”

Words that Sound Identical (Homophones)

Unique Sound
Explore 800+ homophone pairs

"biohazards" (⁄ˈbaɪ.oʊˌhæz.ərdz⁄) has no true homophones in standard English — there are no other words with identical pronunciation. Unlike sound-alike pairs like there / their or peace / piece, "biohazards" has a completely distinct phonetic identity.

Frequently asked questions about biohazards

How do you pronounce “biohazards”?

“biohazards” is pronounced ⁄ˈbaɪ.oʊˌhæz.ərdz⁄ (BY-oh-haz-ərdz). Listen to the native-speaker clips above to hear it in real conversation.

How many syllables are in “biohazards”?

“biohazards” has 4 syllables: BY · oh · haz · ərdz.

Where is the stress in “biohazards”?

The primary stress in “biohazards” is on “BY”. Listen for that stressed syllable in the clips above.

What does “biohazards” mean?

Biological agents or conditions that pose a threat to the health of living organisms, primarily humans.

How can I hear “biohazards” used in real sentences?

This page has 7 real-world video examples of “biohazards” with synchronized subtitles. Use Previous / Next (or ← / → keys) to hear each one at the exact moment it is spoken.

What is the most common pronunciation mistake when saying “biohazards”?

Avoid pronouncing every vowel with full acoustic weight. Non-native speakers often over-enunciate unstressed vowels. Only give full vowel clarity to the primary stressed syllable. Relax all unstressed vowels into a neutral, low-energy schwa (⁄ə⁄).